Dirt Circus - San Franscisco

Dirt Circus - San Francisco is a free community running event held in San Francisco, California, celebrating local trail running culture. Organized by UltraSignup, this one-day festival features a social group run with options of 3.2 or 4.5 miles, welcoming all paces and encouraging participants to wear circus-themed costumes. The event fosters camaraderie among runners, race directors, coaches, and local running brands.

After the run, attendees enjoy a pancake breakfast, an expo with vendors like adidas TERREX and Skratch Labs, and a raffle with prizes including race entries and running gear. The event highlights local races, run clubs, and businesses, creating a lively and inclusive atmosphere under the metaphorical "big top.". Visit the organization's website for the most recent information.